Aptitude Practice Question and Answer

Q:

The digit in unit’s place of the product 81 × 82 × 83 × ... × 89 is

959 0

  • 1
    0
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 1. "0"

Q:

The price of a shirt after 15% discount, is Rs.119. What was the marked price of the shirt before discount?

1623 0

  • 1
    Rs.129
    Correct
    Wrong
  • 2
    Rs.140
    Correct
    Wrong
  • 3
    Rs.150
    Correct
    Wrong
  • 4
    Rs.160
    Correct
    Wrong
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Answer : 2. "Rs.140"

Q: If radius and height of a cylinder increase by 20% and15% respectively. then what is the % change in curved surface area? 2177 0

  • 1
    41%
    Correct
    Wrong
  • 2
    38%
    Correct
    Wrong
  • 3
    33%
    Correct
    Wrong
  • 4
    44%
    Correct
    Wrong
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Answer : 2. "38%"
Explanation :

Answer: B) 38% Explanation: % Change in Curved Surface Area is given by  %Change in radius + %Change in height + %Change in radius × %Change in height 100   ⇒+20 + 15 + 20×15100 = 38%

Q:

358.085 + 42.91 + 25.55 = ?

3880 2

  • 1
    425.425
    Correct
    Wrong
  • 2
    425.565
    Correct
    Wrong
  • 3
    426.545
    Correct
    Wrong
  • 4
    426.555
    Correct
    Wrong
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Answer : 3. "426.545"

Q:

The marked price of a Bike was Rs.22500. After allowing two successive discounts, it was sold for Rs.17595. If the second discount was 8%, then what was the first discount?

1173 0

  • 1
    12%
    Correct
    Wrong
  • 2
    15%
    Correct
    Wrong
  • 3
    14%
    Correct
    Wrong
  • 4
    9%
    Correct
    Wrong
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Answer : 2. "15%"

Q:

If three persons A, B and C invested in a business in the ratio 10 : 15 : 8 for 8 months, 6 months and 12 months respectively. If the total profit earned at the end of the year is Rs.2660 find the Share of B (in Rs.) in the total profit-

1024 0

  • 1
    1200
    Correct
    Wrong
  • 2
    800
    Correct
    Wrong
  • 3
    900
    Correct
    Wrong
  • 4
    750
    Correct
    Wrong
  • 5
    945
    Correct
    Wrong
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Answer : 3. "900"

Q:

Express 15625 as a power of 5?

1118 0

  • 1
    $$4^5$$
    Correct
    Wrong
  • 2
    $$5^6$$
    Correct
    Wrong
  • 3
    $$5^5$$
    Correct
    Wrong
  • 4
    $$6^5$$
    Correct
    Wrong
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Answer : 2. "$$5^6$$"

Q:

9 persons are seated around a round table. What is the probability that two particular persons sit together?

1330 0

  • 1
    $$ {1\over 4}$$
    Correct
    Wrong
  • 2
    $$ {2\over 5}$$
    Correct
    Wrong
  • 3
    $$ {1\over 3}$$
    Correct
    Wrong
  • 4
    $$ {3\over 4}$$
    Correct
    Wrong
  • 5
    $$ {2\over 3}$$
    Correct
    Wrong
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Answer : 1. "$$ {1\over 4}$$"

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